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Cub Cadet RZT-50 KH Zero Turn Mower Specs

Cub Cadet RZT-50 KH Engine

Kohler SV720 Engine

Engine Model ............... Kohler Courage SV720
Engine Type ............... 4-cycle V-twin cylinder OHV vertical shaft air-cooled gasoline engine
Number of Cylinders ............... 2
Displacement, cu.in (L) ............... 44.2 (0.725)
Cylinder Bore, in (mm) ............... 3.27 (83.0)
Piston Stroke, in (mm) ............... 2.64 (67.0)
Rated Engine Power, hp (kW) ............... 23.0 (17.1)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lbs) ............... 58.3 (43.1)
Torque Speed, rpm ............... 2800
Compression Ratio ............... 9.0:1
Fuel System ............... Carburetor
Carburetor Type ............... One-Barrel, fixed main jet
Fuel Pump ............... Pulse type
Lubrication System ............... Full pressure
Oil Filter ............... Full-flow type
Air Cleaner Type ............... Dual element
Ignition System Type ............... Electronic
Spark Plug Type ............... Champion RC12YC
Spark Plug Gap, in (mm) ............... 0.03 (0.76)
Module Air Gap, in (mm) ............... 0.011-0.013 (0.28-0.33)
Intake Valve Clearance, in (mm) ............... 0.005 (0.127)
Exhaust Valve Clearance, in (mm) ............... 0.005 (0.127)
Fuel Tank Capacity, gal (L) ............... 3.0 (11.4)
Oil Capacity, qts (L) ............... 2.0 (1.9)
Electrical System Rating, Volts ............... 12
Charging System ............... Alternator
Alternator Rating, Amps ............... 15

Kohler SV725 Engine

Engine Model ............... Kohler Courage SV725
Engine Type ............... V-twin cylinder OHV vertical shaft air-cooled gasoline engine
Number of Cylinders ............... V-Twin
Displacement, cu.in (cc) ............... 44.0 (725)
Cylinder Bore, in (mm) ............... 3.27 (83.0)
Piston Stroke, in (mm) ............... 2.64 (67.0)
Rated Engine Power, hp (kW) ............... 24.0 (17.9)
Rated Engine Speed, rpm ............... 3600
Idle Speed, rpm ............... 1100-1300
Maximum Torque, Nm (ft-lbs) ............... 56.2 (41.5)
Torque Speed, rpm ............... 2800
Compression Ratio ............... 9.0:1
Fuel System Type ............... Carburetor
Carburetor Type ............... One-Barrel, fixed main jet
Fuel Pump ............... Pulse type
Governor Type ............... Mechanical
Lubrication System ............... Full pressure
Oil filter ............... Full-flow type
Air Cleaner ............... Replaceable, paper element
Ignition System Type ............... Electronic
Spark Plug Type ............... Champion RC12YC
Spark Plug Gap, in (mm) ............... 0.030 (0.76)
Module Air Gap, in (mm) ............... 0.011-0.013 (0.28-0.33)
Intake Valve Clearance, in (mm) ............... 0.005 (0.127)
Exhaust Valve Clearance, in (mm) ............... 0.005 (0.127)
Fuel Tank Capacity, gal (L) ............... 3.0 (11.4)
Oil Capacity, qts (L) ............... 2.0 (1.9)
Electrical System Rating, Volts ............... 12
Charging System ............... Alternator
Alternator Rating, Amps ............... 15

Kohler SV730 Engine

Engine Model ............... Kohler Courage SV730
Engine Type ............... V-twin cylinder OHV vertical shaft air-cooled gasoline engine
Number of Cylinders ............... 2
Displacement, cu.in (L) ............... 44.2 (0.725)
Cylinder Bore, in (mm) ............... 3.27 (83.0)
Piston Stroke, in (mm) ............... 2.64 (67.0)
Rated Engine Power, hp (kW) ............... 25.0 (18.6)
Rated Engine Speed, rpm ............... 3600
Maximum Torque, Nm (ft-lbs) ............... 59.6 (44.1)
Torque Speed, rpm ............... 2800
Idle Speed, rpm ............... 1600
Compression Ratio ............... 9.0:1
Fuel System Type ............... Carburetor
Carburetor Model ............... Nikki or Keihin
Carburetor Type ............... One-Barrel, fixed main jet
Fuel Pump ............... Pulse type
Lubrication System ............... Full pressure
Oil Filter ............... Full-flow type
Air Cleaner Type ............... Dual element
Ignition System Type ............... Electronic
Spark Plug Type ............... Champion RC12YC
Spark Plug Gap, in (mm) ............... 0.03 (0.76)
Module Air Gap, in (mm) ............... 0.011-0.013 (0.28-0.33)
Intake Valve Clearance, in (mm) ............... 0.005 (0.127)
Exhaust Valve Clearance, in (mm) ............... 0.005 (0.127)
Fuel Tank Capacity, gal (L) ............... 3.0 (11.4)
Oil Capacity, qts (L) ............... 2.0 (1.9)
Electrical System Rating, Volts ............... 12
Charging System ............... Alternator
Alternator Rating, Amps ............... 15

Power Take Off

Mid PTO Operational Type ............... Independent
PTO Clutch ............... Electric
PTO Drive Type ............... Belt-driven

Cub Cadet RZT-50 KH Transmission

Transmission Model ............... Hydro-Gear EZT
Transmission Type ............... Hydrostatic
Number of Forward Gears ............... Infinite
Number of Reverse Gears ............... Infinite
Oil Capacity, qts (L) ............... 4.0 (3.75)
Maximum Forward Speed, mph (kph) ............... 6.0 (9.6)
Maximum Reverse Speed, mph (kph) ............... 3.0 (4.8)

Wheels and Tires

Drive Wheels ............... 2WD 4x2
Steering Configuration ............... Front steer
Steering System ............... Differential power
Front Tire Size ............... 13x5.00-6
Rear Tire Size ............... 18x9.50-8

Dimensions and Weight

Wheelbase, in (mm) ............... 43.5 (1100)
Overall Length, in (mm) ............... 67 (1700)
Overall Width, in (mm) ............... 54 (1370)
Weight, lb (kg) ............... 527 (240)

Mower Deck

Mower Deck Type ............... Mid-mount
Number of Blades ............... 3
Cutting Width, in (mm) ............... 50 (1270)
Cutting Height, in (mm) ............... 1.5-4.0 (37-102)
Blade Engagement ............... Electric
Anti-Scalp Wheels ............... 2
Lift System ............... Manual